CN1940785B - Embedding controllers and devices with data to facilitate up-to-date control and configuration information - Google Patents
Embedding controllers and devices with data to facilitate up-to-date control and configuration information Download PDFInfo
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- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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Abstract
An industrial automation system comprising a processor with an updating component coupled to automation devices via a network. The updating component reads control information from machine readable representations of the devices and populates a data structure with the control information. The updating component also updates configuration information of a device from data stored in a file object and/or the data structure, further allowing this transfer to be fragmented into a plurality of messages if the configuration information exceeds a threshold. As well, a vendor deployment methodology is provided that embeds devices and firmware for devices with a Device Type Manager (DTM) prior to deployment and can optionally allow post deployment updates to the DTM.
Description
Technical field
The present invention relates generally to industrial control system, relate in particular in the industry automatic control environment between controller and automation equipment communication with latest configuration information.
Background technology
DTM (device type manager) and EDS (electronic data page or leaf) are the machine readable representations of automation equipment.They typically should be used for submitting the control information about device to the user by network center's Software tool, and purpose is the function that helps user configuration device.
In addition, these machine readable representations provide size and the information of dependency structure of carrying out the I/O data block of real-time I/O exchange about being suitable for of being had of device and controller.The scan list that these information then are used to Configuration Control Unit is used for and the device communication.This I/O data block typically is presented in the array of controller data literary name joint or speech; The specific meanings of the different elements of data in the piece and their side-play amount must be by user's manual administration, so as to make these elements can with existing control program together by correct use.Typically, in control program, data element must be accomplished individually to each situation of the device in the control system by the user to the mapping of function.
In some controller, the user can select the user-defined structure of manual construction, together with the specific label/mark of data key entry and each element, is then used in each situation of each incident of device.Therefore only more time-consuming like this, and when the user hopes on an equipment, to use many such devices, just typically do like this.For example, a device can have, and installs the default format of profile like the input data of 10 bytes and the output data conduct of 10 bytes from it, and function and each byte representative of expression and so on naming convention.Yet new characteristic can be passed through businessman or producer's adding apparatus, such just can, for example, useful to client's application-specific.In legacy system, under the superincumbent situation, the user must use the software programming instrument to add those extra elements in data structure, because they are not in the device profile.
In addition, though system have easy-to-use control information (as, from up-to-date machine readable representation such as DTM or EDS), this device possibly still need upgrade its configuration information.For example, when installing damage or quitting work, the maintainer often can suitably carry out necessary programs, replaces this device according to the part number of catalog number (Cat.No.) or device.The maintainer can install a new equipment and as it exists originally, connect (for example, installation, electric distribution, plummet, air supply, pneumatic and/or fluid pressure line, etc.) again.Yet let this device reconfigure in system, to accomplish function in the same way usually pretty troublesome.In case device hook (hooked up), legacy system need be connected to device so that inking device.Typically, the configuration file that needs the initial configuration Software tool and install at present.Such difficulty is often arranged, i.e. configuration can not be used or be expired.In addition, in fact the maintainer possibly have proper configuration, but because the configuration software of many different businessmans has many kinds, and the maintainer possibly can't confirm and download to device.
These difficulties not only exist in configuration information, also are present in the control information.For example, begin to dispose, reshuffle, when troubleshooting and/or supervising device, DTM possibly not be suitable for Software tool.For example, compact disc (CD) is lost before installation, and perhaps the device firmware in this field has been upgraded needs the DTM of redaction, but need when upload the website of businessman, can not be connected to the internet.
In addition, also there is other difficulty.For example, the function that the user possibly utilize the software programming instrument to come " fine setting " device, and these changes are not presented at controller and/or control program, and therefore can cause unwanted results, because this device operates with the ignorant mode of controller now.In addition, hope to set up universal industrial protocol (CIP) when I/O is connected with device when the originator (CO) (for example controller) that connects, CO sends open connection request according to the CIP standard.In other incident, these requests comprise the data field that contains the device configuration parameter.
Inclusions with device configuration data of connection request has guaranteed that device is set to carry out its function according to the needs of CO, and data to be exchanged will be meaningful to CO (for example, the data type of hope, correct scope etc.).Provide more benefit to guarantee if device is replaced equally, it disposes just the samely with primitive apparatus.Yet data field is limited in maximum in theory 510 bytes.But in practice, because in open connection request, the restriction to other data of internet message size combination is limited in about 450 bytes usually.And this has satisfied most of device in the past, and present device configuration has become more general greater than 450 bytes.
Summary of the invention
Next the theme that requires to protect is carried out simplified summary, purpose provides the basic comprehension of some aspects that hereinafter is described.This general introduction is not an extensive overview, nor wants to confirm crucial/rigorous principle or the scope of the theme describing to require to protect.Its centrales be some notions to be provided with simple mode, as the back prelude in greater detail is provided.
Hereinafter requires the theme of protection to relate to data embedding controller and installs to promote up-to-date control and configuration information.The industry automatic control device such as programmable logic controller (PLC), can comprise software object and be various objectives, such as the data structure of storing data with industrial automation arrangement I/O communication.
According to an aspect of the present invention, the system and method that utilizes machine readable representation in controller and/or man-machine interface (HMI), to create data structure automatically is provided.Machine readable representation can be device class manager (DTM) and electronic data page or leaf (EDS), or the representation of other suitable device profile.Machine readable representation such as DTM or EDS comprise the control information about device, and the user can be used for when the inking device function this information and the auxiliary purpose during the I/O data when control program utilizes in fact.Updating component can read this control information, and in controller with the location information sets organization data structure that is suitable for device size, data type and the data element of processor real-time I/O exchange.These data can be mapped to each data element of device and provide graduate label, improve innovation and the maintenance of user to director demon greatly.
According to a further aspect in the invention, the system and method that is used for replacing automatically big inking device is provided.The present invention can utilize universal industrial protocol (CIP) file object in device, to hold the configuration of device and connect the copy in the originator (CO).CO can judge that when device is set up I/O and is connected this connection is to big inking device.CO can utilize segmentation protocol that CIP file object content is sent to device earlier.Two negotiable message sizes of end points less than threshold value, and can then configuration file be broken into required many arbitrarily fields, make the transmission of all files influence in the restriction of network and/or device maximum message size.In case accomplish, CO then sends an open I/O connection request, only if there is not data field to be transmitted.
As further effect, and according to a further aspect in the invention, described situation can be reinforced through saving the demand of transmitting the CIP file object when device has contained the same configuration of being held with CO.Configuration associated value (CCV) attribute of the CIP identity object of device can be provided by CO configuration software instrument.In this case, before setting up the I/O connection, CO can read CCV from device.If coupling, CO then can directly open I/O and connect, thereby saves the time consumption of configuration file transmittance process.
The method of businessman's scheduling of in client's automation equipment, being convenient to the DTM renewal is provided according to a further aspect of the invention.The device producer and/or businessman can confirm most of up-to-date configuration and for the device control data and through DTM this information be provided.Businessman can be directly embedded into this DTM in the file object instance of device before scheduling.Businessman can also select to allow in the future control information and the configuration of DTM to be upgraded.Should be realized that DTM can be embedded in the firmware of device equally.
In order to accomplish aforesaid with relevant target, instructions below hereinafter combining and accompanying drawing have been described the aspect of the certain exemplary of invention.Yet what these aspects showed is the several different approach that principle of the present invention can be employed, and the present invention desires to comprise all these aspects and is equal to.Other advantage of the present invention and novel feature can become clearer through next combining the accompanying drawing detailed description of the present invention.
Description of drawings
Fig. 1 shows system according to an aspect of the present invention, and it has one and promotes the controller of up-to-date configuration information with the automation equipment communication.
Fig. 2 shows the block scheme according to the system of one aspect of the invention, and it has one and promotes the controller of up-to-date configuration information with a plurality of automation equipment communications.
Fig. 3 shows the exemplary process diagram according to one aspect of the invention, and its expression is convenient to the data of from machine readable representation, reading are deposited in the process of data structure.
Fig. 4 shows the exemplary process diagram according to one aspect of the invention, and its expression is when the size that disposes during greater than threshold value, is convenient to initiate the process of the agreement of a segmentation.
Fig. 5 shows exemplary process diagram according to an aspect of the present invention, and its representes being convenient to find two disposes the process whether associated values (CCV) mate.
Fig. 6 shows according to an aspect of the present invention, is convenient to the example data structure of the system of up-to-date configuration information.
Fig. 7 shows according to an aspect of the present invention, the example data structure of I/O exchange between controller and automation equipment.
Fig. 8 shows according to an aspect of the present invention, is convenient in the device body, embed the exemplary process diagram of DTM and client's reservoir (container) application process.
Fig. 9 shows according to an aspect of the present invention, has the block scheme of a system that promotes the controller of up-to-date configuration information with a plurality of new equipment communications.
Figure 10 shows the exercisable block scheme of computing machine of realizing various aspects of the present invention.
Figure 11 shows according to various aspects of the present invention, the example block diagram of an example calculation environment.
Embodiment
With reference now to accompanying drawing, describe the subject content that requires protection, wherein same Reference numeral is used at the identical element of overall process expression.In the following description, for the purpose of explaining, propose many specific details the complete understanding to the subject content that requires to protect is provided.Yet obviously, this content need not these specific detail and also can put into practice.In other cases, well-known construction and device illustrates with the block scheme form, and purpose is to be convenient to describe the present invention.
As being used for the application, term " parts " is with " system " and similarly be intended to refer to the entity relevant with computing machine, can be combination, the software of hardware, hardware and software, or the execution of software.For example parts can be, but are not limited to, the process of on processor, moving, processor, object, instance, executable, execution thread, program and/or computing machine.In order to explain, the application program and the computing machine of operation can be parts on computers.One or more parts can be arranged in a processor and/or execution thread, and parts can be positioned in the computing machine and/or assign in two or more computing machines.
In addition; The goods that require the subject content of protection to may be embodied as method, device or make with standard program and/or engineering are with generation software, firmware, hardware; Or their combination in any is come control computer/treating apparatus, the subject content that enforcement is disclosed.Term " goods of manufacturing " can be from any computer readable means, carrier with here being intended to comprise, or the computer program of medium access.For example; Computer-readable medium can include, but are not limited to magnetic storage device (for example, hard disk, floppy disk, tape ...), CD (for example, compact disc (CD), digital multi-purpose disk (DVD) ...), smart card; And flash memory device (for example, card, rod, key drive ...).In addition, be appreciated that carrier wave can be used for carrying such as sending and receiving Email or visit such as the computer-readable electronic in the network of internet or Local Area Network.Certainly, it will be understood by those skilled in the art that and to make a lot of conversion and not depart from the scope and the spirit of the subject content of requirement protection this configuration.In addition, speech " exemplary " is used as example, instance as meaning here, or example.Here be described as any situation of " exemplary " or design need not be interpreted as preferred or than other situation or conceive more favourable.
Referring now to Fig. 1,, shows industrial control system 100 with controller 102.Controller 102 can comprise the data structure 104 with data field 106 and title-domain 108.Controller 102 further comprises updating component 110.Controller 102 can be through network 112 and automation equipment 114 communications.Usually, machine readable notation 1 16 can be stored in the device 114.Machine readable notation 1 16 can comprise the control information (not shown) about its resident device 114.For example, machine readable notation 1 16 can comprise about installing 114 and is used for and the size of the I/O data block (not shown) of the real-time I/O exchange of controller 102 and the information of dependency structure.These I/O data blocks typically are illustrated in the tables of data byte or speech array (not shown) of controller 102, in position and/or the skew separately of I/O data block specific implication are arranged at controller 102 and each data field and they of installing communication between 114 to being used for.
Especially, when communication taking place, can send default I/O data block when controller 102 with between installing 114.For example, default data block can comprise 10 bytes that are used to import and 10 bytes that are used to export, and each and/or byte of I/O data block can have specific meanings based on the configuration of device 114.Therefore, if controller 102 is hoped the behavior of modifier 114, controller 102 can be regulated the data that are positioned at the data block correct position in the data block.For example, if the acceleration of parts of controller 102 attempt modifiers 114, and the acceleration of those parts is the Data Control by the byte that is arranged in default I/O data block 5 and 6, controller 102 can change the data in those positions so.
Data type, data size and the Data Position of each I/O element that can in the I/O data block, send can be stored in the machine readable notation 1 16.Therefore, according to an aspect of the present invention, updating component 110 can read machine readable notation 1 16 so that find the implication of each byte in the I/O exchanges data.For example, updating component 110 can be found the acceleration of device 116 by a speech or a floating number of 16 that is stored in byte 5 and 6, and all other, the implication and the data type representative of byte and/or speech.Updating component 110 is the deriving means title equally automatically, and details please note following Fig. 2, or selects based on input or user.
After having collected information needed, updating component 110 can organize (populate) data structure 104 with dynamic creation user reference (for example, data structure 104).Especially, updating component 110 is stored the information that is suitable for size, data type and the position of the data of exchange between device 114 and controller 102 in data field 106.(for example, byte 5 and 6 is independent elements of floating type).On behalf of device 114 grade labelling and defined data elements own, updating component 110 can data field 106 is made label through providing to title-domain 108 equally.For example, grade labelling can meet naming convention, such as < device name >, < data element >.Therefore, if install 1 14 called afters " motor4 ", grade labelling can be represented like " motor4.accel " so, and inserts title-domain 108.Can recognize equally, it is contemplated that with using other naming convention and do not deviate from scope of the present invention and spirit.Alternately, the profile (for example, DTM/EDS/ profile) that is embedded in the device with the form of can " machine " reading in the file object can be uploaded from device through the Software tool in the PC (PC).This PC can then resolve/decode this profile and extract about the relevant information of device selection of configuration and real-time I/O data layout.
Therefore, in one aspect of the invention, updating component 110 is created data structures 104 automatically and the data that are fit to each device 114 is provided to data structure 104.So invention can save time and be convenient to understand easily and be used for and install (like, the device 114) director demon of communication.Should be realized that although only show a device 114, other many devices also can adopt.Should further be recognized that controller 102 can reside in any suitable system or the device, such as Local or Remote server or man-machine interface (HMI), or as parts of this system or device.Although this with subsequent figure in, updating component 110 and/or data structure 104 are that the ingredient as controller 102 is illustrated, and should be appreciated that this base part 104,110 need not reside in the controller 102.More suitably, parts 104,110 can reside in other suitable position, Local or Remote and/or with network 112 coupling, and without departing from the spirit and scope of the present invention.
Forward Fig. 2 now to, show industrial control system 200.Usually, system 200 comprises the controller 202 of similar control device 102 (Fig. 1).Except updating component 110 and data structure 104, controller 202 can also comprise the device name and the scan list 204 that installs profile of the device that comprises all perhaps many and controller 202 exchange I/O data.Equally, system 200 can be through network 112 and multiple arrangement 2061-206N communication, concentrates or is called device 206 individually.Should be realized that, can be concentrated address although install 206, separately device 206 can comprise the independent characteristic that is different from each device 206 below.For example, detail above, device 114 (Fig. 1) can comprise machine readable notation 1 16 (Fig. 1).Similarly, device 206 can comprise with device type manager (DTM), electronic data page or leaf (EDS) equally, or the machine readable representation of the form of other suitable data structure or file layout.
Therefore, updating component 110 can read DTM and/or EDS for each device 206 that in scan list 204, comprises the device profile.Updating component 110 can obtain the device name of device 206 from scan list 204, and can give data element information for change from installing 206, so that organize data structure 104.Those skilled in the art recognize easily in order to produce data structure 104 and need not require the user to interfere.In addition, data structure 104 can be used to store all device grade labellings up-to-date control information and up-to-date configuration information, can so that the user use alternately simply fast.In addition or interchangeable, latest configuration information can be stored in control and information protocol (CIP) file object (not shown), and therefrom updating component 110 can obtain configuration information.
Be appreciated that some aspect of the present invention can be used to automatically to the device 206 of all and controller 202 communications and newly install or the device of replacement is created data structure 104.In addition, data structure 104 (and/or CIP file object) can provide the latest configuration information stores about each device.Therefore, updating component 110 can be used to updating device configuration (example, the device of replacement) and operates as requested to guarantee device.
For example, when device 206 is damaged or quits work, the maintainer often can suitably carry out necessary programs, comes alternative 206 according to the catalog number (Cat.No.) or the part number of device.The maintainer can install a new equipment 206, and as its original existence, replace distribution (for example, installation, electric distribution, plummet, air supply, pneumatic and/or fluid pressure line, etc.).Yet, let device 206 reconfigure so that to accomplish function usually pretty troublesome with system 200 identical modes.Typically, the configuration file that needs the initial configuration Software tool and install at present.Yet according to an aspect of the present invention, updating component 110 can be device 206 and from data structure 104 (and/or CIP file object), gives present configuration for change, and can subsequently this information directly be sent to device 206.
In addition, reconfigure or upgrade so that new or additional function to be provided if install 206, the user need be with the manual upgrade data structure of programming tool, such time-consuming fallibility again.More suitably, updating component 110 can directly read this new control information from machine readable representation (for example, DTM and/or EDS).Further be appreciated that if aforementioned lastest imformation not other with sampling device 206 in, updating component 110 can reduce this difficulty so.For example, updating component 110 can produce message (for example, cause producing Email and send the support staff to), or directly comes new and old DTM and/or EDS according to the data of from install 206 new DTM and/or EDS, giving for change.
Therefore, will readily recognize that control information can be upgraded with the device configuration in device or controller (for example, data structure 104 and/or CIP file object).For example, when new equipment is installed in the system, the configuration of device possibly need to upgrade, and can automatically perform (for example, from data structure 104 information being sent to device 206 through updating component 110).In addition, if the configuration of device is directly changed with programming tool, for example, finely tune its performance, then the device configuration version of controller can be updated (for example, updating component 110 is given information for change and it is stored in the data structure 104 from installing 206).The automatic replacement of the configuration file of device 206 will be done more below in conjunction with Fig. 4 and go through.
Fig. 3 shows operations according to the instant invention method 300.In order to explain easy purpose; Here the one or more maneuvers that propose show with a series of actions and describe; Be appreciated that and recognize; The order that the subject content of requirement protection is not limited to move, some actions can different order take place and/or take place simultaneously with other action that shows here and describe.For example, it will be understood by those skilled in the art that and recognize that maneuver can be expressed as the state or the incident of a series of internal associations with being replaced, like constitutional diagram.In addition, the subject content of protection is implemented a method as requested, might not need all actions that illustrates.In addition, can recognize further that the maneuver that hereinafter and this instructions disclose in full can be stored in and be convenient to this maneuver transmission in the producer's the clause and be delivered to computing machine.The producer's used herein clause items be that comprise can be by the computer program of any computer readable means, carrier or medium access.
Referring now to Fig. 3,, shows the exemplary operation method 300 that is used for create the computing machine execution of data structure automatically about the controller of industrial control system.Equally, this maneuver 300 can be used through HMI.302, give data by updating component for change from machine readable representation usually.Discuss as top, machine readable representation can be DTM, EDS, scan list (for example, giving device name for change), and/or other suitable file layout or data structure.
304, can create the data structure of the I/O element of mapping device.Typically, this data structure can have title-domain and the data field to each element of the I/O of device.Usually, this is also accomplished by updating component, and current updating component can be organized data field with the appropriate data of device.Can recognize, can create an independent data structure or data structure of each device establishment, also have other not depart from the embodiment of the scope of the invention and spirit to all devices.
306, device name is determined.Device name can or be selected from table (for example, scan list) by user's input.In interchangeable embodiment, updating component can or be stored in from scan list to be given this information automatically for change in the device profile the scan list and need not the Any user intervention.308, but method 300 specified data domain names are claimed typically discovery from the machine readable representation (for example, DTM and/or EDS) of device.Device name and data field title have been arranged, can produce hierarchical name label (for example, < device name>< data domain name >).310, each data field can be put on suitable grade labelling.
Referring now to Fig. 4,,, described the device configuration maneuver 400 of the computing machine execution of replacement automatically according to an aspect.For example, if device damages or quits work, the maintainer usually can this device of physics replacement, yet, also must dispose so that the same with original device as system (for example system 200) operates together.Such as the front description, updating component (for example, 110 of Fig. 1) can automatically perform this renewal (for example, through the CIP file object) and need not manual work and reconfigure.Yet in some cases, the size of configuration information possibly exceed the maximum, and, therefore, because of the intrinsic restriction of network and/or the maximum message size restrictions of device can not use common mode to transmit.Can satisfy most device because traditional size restrictions is former in these years, recently, the device with big configuration becomes more common.Equally, the more complicated controller that has a bigger internal memory has proposed the file of bigger configuration equally.Full-size is limited in hereinafter and further details with reference to figure 7.
Therefore, at 406, the first end points, typically be the originator (CO) of a connection, can open connection request with one and send to second end points, typically be the device of a needs configuration.For example, CO is connected or as the portable computer of network node access means with device is point-to-point.In addition, CO can be remote computer or any other suitable device or parts.408, size is less than or equal to the message of threshold value and can be skipped.410, device configuration basis can be divided into a plurality of message frames with respect to the size of the configuration file of threshold value.412, all configuration file can be received through a plurality of message frames at second end points.In addition, 414, like what hereinafter will describe, others can adopt segmentation protocol and different other actions (for example, action 404-412).
Referring to Fig. 5, show according to an aspect of the present invention the maneuver 500 of mouth substituting device configuration briefly.Method 500 can be employed in some shown in the maneuver 400 (Fig. 4) or whole definite actions, and as the described additional effect of action here.For example, when device had contained the same configuration of being held with CO, method 400 can be strengthened through saving the demand of transmitting CIP file object (as said together with 402).Configuration associated value (CCV) attribute of the identity object of device can be provided by CO configuration software programming tool.At this on the one hand, CO can primitively set up the I/O connection that can read CCV from device.If CCV value coupling, CO then can continue directly to open I/O and connect, thereby saves the time consumption of configuration file transmittance process.
In view of the above, can set up I/O 502 connects.504, the CCV value (if having) in CCV value of holding among the CO and the device compares.If do not match, so 506, the CIP file object can upload to device from CO.If yet 504, CCV value coupling, CO can confirm that device contains same CIP file object so, and does not therefore need this object is sent to device.Therefore, action 506 can skip all, and method 500 advances to 508.508, whether the size that can judge configuration file is greater than threshold value.If not, can normally send configuration file.Yet, if the size of configuration file greater than threshold value, so 510, will equally with top said maneuver 400 be carried out the action of confirming.
Be appreciated that method 300,400 and 500 can adopt the industry automatic control agreement, and this agreement any suitable agreement that is designed for industrial plants.For example, DeviceNet, ControlNet, EtherNet/IP, Modbus, Profibus and Foundation Fieldbus are the exemplary industry automatic control agreements that can be used for aspects more of the present invention.The one or more of these agreements can be the application layer protocols of one or more aforementioned industry automatic control agreements at least in part based on CIP.Yet the combination that is appreciated that any this agreement or agreement is expected or is intended to fall under the scope of accompanying claims.
Fig. 6 illustrate provide can be between updating component 110 (and/or controller (not shown)) and device (not shown) the details of the data of communication.Especially, for example, Fig. 6 more deep layer shows the exchanges data that the front combines Fig. 1 and 2 to discuss.Referring now to Fig. 6,, described system 600.System 600 comprises the example data territory 602 of the mapping I/O data of device, and wherein device is named as " motor4 " once more.In addition, data field 602 can have corresponding title-domain 604 to each element and/or the function of device.Similarly, device data structure 606 has been described.As shown in the figure, device data structure 606 can comprise different I/O data element, and what change (RPM), accumulator or the like like the motor per minute.
As combining Fig. 1 described, updating component 110 can interact with device data structure 606 and organize data structure 602 and 604 respectively.In alternative embodiment, updating component 110 can be according to the information updating apparatus data structure 606 that is stored in data structure 602 and 604.Can recognize that data structure 602-606 can be file or situation, packet, data stream, message frame, data field and/or the machine readable representation (for example, DTM, EDS and contain the scan list of device profile) of any data field (the for example parts 106,108 of Fig. 1), data structure (the for example parts 104 of Fig. 1), database, file object (for example CIP file object).Therefore, updating component can influence the automatic establishment of data structure from the control information that machine readable representation provides, and replacement and/or updating device configuration automatically in controller and device.In addition, if device is configured in the message and sends too greatly, can initiate segmentation protocol and accomplish and upgrade configuration and need not user intervention.
For example, Fig. 7 provides the more details in the time can adopting segmentation protocol.Forward Fig. 7 to, data structure 700 shows the I/O data that between device (not shown) and controller (not shown) and/or HMI (not shown), exchange.The one theory of data field 702 is 510 bytes, and still, because the internet message size combines other data, such as the restriction of opening connection request 704, in fact it is less than 510 bytes.
For example, open connection request 704 and can comprise following information, such as utilizing which input to connect data, will utilize which output to connect data, how many time will attempt once connects, and breaks off the time that connects, the size of the I/O data of two-way exchange etc.After these information (for example, being included in the data of opening in the connection request 704) add data structure 700, obtain threshold value 706, or " truly " full-size of data field 702.Usually, be included in the data of opening in the connection request 704 and be about 60 byte longs.Therefore, threshold value 706 about 450 bytes.Therefore, send to or send data from device, should be like configuration information (for example, device data structure 606) less than threshold value 706.Otherwise front capable of using combines the described segmentation protocol of Fig. 4 needing to avoid manual configuration.
Can be readily seen that a lot of aspects described herein relate to some system and methods, they can guarantee that from the control information of machine readable representation and/or configuration information and/or file be up-to-date.The up-to-date information that has automatic influence for example need not user intervention, can be more effectively with reliable.In addition, have a few (for example controller and device) and all have up-to-date information and can allow with another node of node updates, and need not to visit those visits at present less than, can not find, and/or the user selects wrong configuration file.In view of the above, Fig. 8 shows another aspect of the present invention, and configuration keeps up-to-date with device can be used to make control information, particularly links to each other with DTM.More specifically, DTM can be based on the software applet of form brand, the application programming interfaces (API) of field apparatus instrument (FDT)-DTM associating interest group (Joint Interest Group) definition.FDT can be client's container object application program of businessman's stand-alone development, is attached to the API that is used for equally at network automatic control system configuration different device.
Notion is exactly that the compatible configuration applet of a DTM writes in the businessman of specific device, when installing simultaneously with the FDT container object, can be used for disposing all events in system of that type of device.The printer specific drive program that this similar printer producer provides in the time of in being installed to operating system (like Microsoft's Window brand operating system), can provide the help of configuration, test and trouble hunting for specific printer model.Similar printed driver, the DTM of setter are typically for example to comprise the compact disc (CD) supplied together with product, can provide the user to use from the form that the website is downloaded and/or possibly pre-installed various configuration software supplier's FDT container application.
Yet, work as configuration, reconfigure, when trouble hunting and/or supervising device, the programming software instrument may not use DTM.For example, CD loses before installation, and perhaps field device has done that firmware upgrade needs the DTM of redaction but this moment but can not accesses network.
Forward Fig. 8 now to, described to be convenient in client's automation equipment, to upgrade the maneuver 800 that the businessman of DTM adopts.Confirm up-to-date DTM 802.As stated, configuration information and/or can be included in CIP file object or other suitable data structure such as the machine readable representation of DTM.Equally, 804, businessman can embed the CIP file object with DTM and client's container object application program before inking device.Be appreciated that up-to-date DTM can be embedded into automation equipment or the firmware upgrade to installing.Therefore, no matter be new equipment or the firmware upgrade to installing to be freighted, the final user is apprised of and can uses up-to-date DTM, even need not visit original configuration information or access internet and for example give them for change in the website of businessman.
806, DTM can optionally be upgraded after configuration by businessman, for example passes through the internet.More particularly, the businessman and/or the device producer can allow CIP file object instance to comprise DTM upgrading separately at the scene.Like this can be so that the producer as time passes, makes improvement to the function of DTM itself (for example, user interface, fault confirm etc.), even the performance of device itself is constant.In case download to device, different safeguard or the attendant guarantees to have used the DTM of up-to-date and/or right version subsequently to the all-access of device.Be appreciated that this function can accomplish through firmware upgrade equally.Can further understand, the CIP file object is not compulsory.Any suitable object be can use and scope of the present invention and spirit do not departed from.
Referring now to Fig. 9,, having described provides the up-to-date control and the system 900 of configuration information for device 902-906 and controller 202.This system 900 can create data structure automatically and be convenient between controller 202 and device 902-906, carry out suitable I/O exchanges data in controller 202, and is easy to safeguard and understand director demon.In addition, system 900 can generator the automatic replacement of configuration, even surpassed the max-thresholds (for example, through segmentation protocol) of data-field length when the device configuration.In addition, system 900 can be so that embed DTM, so that allow to give for change maximum up-to-date DTM in the firmware updating of device or device before device configuration or firmware upgrade.In addition, system 900 can be after configuration, for example through any node on internet or the automatic network 112 or on the point-to-point terminal that is connected to device 902-906 upgradeable DTM is provided.
Unrestricted for example, device 902-906 is the device that newly is installed in the system 900, for example, replaces the function of other device or increase device 900.Be appreciated that device 902-906 needs not be new, yet, in other words, can be that any reason is benefited through upgrading configuration and/or machine readable representation automatically.In one aspect of the invention, device 902 contains EDS, yet, in the data structure 104 of controller 202, do not exist about the data of installing.As previously mentioned, updating component 110 can read EDS and organizes data structure 104 with control information and corresponding grade labelling.Can recognize that device 902 replacedly or additionally comprises other the suitable machine readable representation that can therefrom read of DTM or some.
Device 904 can be the device from the 908 new deliveries of new equipment businessman.Like detailed earlier herein, new equipment businessman 908 can use up-to-date DTM flush mounting 904.Therefore, updating component 110 can be given this DTM for change and can then dispose easily to allow device 904 with appropriate control information organization data structure 104.In addition, after new equipment 904 was configured and is installed by entity, new equipment businessman 908 can allow to upgrade the file object instance that comprises DTM.This can accomplish through network 112 or other suitable manner that can be coupled to the internet.Replacedly, possibly be installed in the system 900 by entity though install 904, new equipment businessman 908 can provide different DTM through firmware upgrade.Subsequently, this DTM can be upgraded by new equipment businessman 908 equally by the way.
The appropriate control information that device 906 can embed such as DTM or EDS, but it does not contain up-to-date configuration.For example, device 906 can be new being used to replace and damaging or the correct device of ruinate configuration of installing, and therefore, new equipment 906 need to upgrade in case with the function match of the device of having replaced.Updating component 110 can be accomplished above-mentioned work automatically according to the data structure 104 or the information in the CIP obj ect file (not shown) that are stored in the controller 202.In addition, if the configuration information that sends to device 906 greater than the maximum data field size, updating component 1 10 can adopt segmentation protocol to influence transmission.
According to an aspect, system 900 can comprise intelligent parts 910 equally.Though the form with individual components that can be through network 112 communications illustrates, and is appreciated that updating component 110 and controller 202 boths can comprise intelligent parts 910.Intelligent parts 910 can, for example, be updated parts 110 and adopt and judge whether control information and/or configuration information expired.Be appreciated that outdated information can reside in controller 202, device 902-906, or other suitable position.In addition, intelligent parts can be used for being connected with segmentation protocol, for example, and in order to confirm suitable message size less than threshold value.
Intelligent parts 910 can from through incident and/or data capture to one group of observation, provide system, environment, and/or user's inference and deduction state.For example, can adopt inference to discern specific context or action, maybe can produce Random assignment based on state.Inference can be at random, that is, the calculating of interested Random assignment based on state is based on the consideration to data and incident.Inference also can refer to be used for from one group of incident and/or data, forming the technology of advanced event.
This inference has caused from the one group of observed incident and/or the event data of having stored, making up new incident or action, and whether no matter incident temporary transient tight association whether, and incident and data are from one or several incident and data source.The chart of different classification (training clearly and/or implicitly) and/or system are (for example; Support vector machine, neural backbone network, expert system, bayesian belief network, fuzzy logic, data fusion machine ...) can combine the present invention, adopt together with the action of carrying out automatic and/or inference.
Sorter is a kind of function, with input attributes vector X=(x1, x2, x3, x4 xn) is mapped to a degree of confidence, the input belong to a classification, that is, and f (x)=degree of confidence (classification).This classification can adopt at random and/or statistical study (for example being decomposed into analysis utilities and cost) is predicted or infer that the user hopes the action that automatically performs.Support vector machine (SVM) is the example of a kind of sorter of being adopted.SVM operates through in possible input face, looking for hypersurface, and wherein hypersurface is attempted trigger criteria is separated from non-trigger event.Intuitively, this feasible classification correctly is used to test approaching data, but is not equal to training data.Other directly comprises with non-direct category of model approach; For example
Bayes, Bayesian network, decision tree, neural backbone network, fuzzy logic pattern, and the independent chart that can adopt the random assortment model to provide.Utilizing classification here also is to comprise the statistical regression that is used to develop existing model.
Referring now to Figure 10; Show the block diagram that to operate the illustrative computer environment that is used to carry out communication between node (for example, control system, processor, automaton, portable computer etc.) that is disclosed and the system and method that upgrades control and configuration information.For the additional context of theme invention different aspect is provided.Figure 10 and following discussion are intended to provide to suitable computer environment 1000 descriptions brief, summary, the multiple different aspect that wherein can carry out an invention.The summary of the computer executable instructions that can on one or more computing machine, move through top usefulness is to the description of invention, and those skilled in the art can be familiar with that the present invention can combine with other program module equally and/or implement as the combination of hardware and software.
Usually, program module comprises execution particular task or enforcement particular theory data types such as routine, program, parts, data structure.In addition; Those skilled in the art will recognize that; The method of invention can use other computer system configurations to implement; Comprise uniprocessor or multiprocessor computer system, minicomputer, large scale computer, or PC, palm PC device, based on microprocessor or programmable consumer electronics etc., wherein each can be operably connected to one or more relevant apparatus.
Illustrative aspects of the present invention can also be implemented through distributed computer environment, and wherein particular task is carried out by the teleprocessing device that connects through communication network.Under distributed computer environment, program module can be arranged in local and remote storage apparatus.
Typically comprise multiple computer-readable medium in the computing machine.Computer-readable medium can be any can be by the medium of computer access, comprise volatibility and non-volatile medium, movably with immovable medium.And unrestricted, computer-readable medium can comprise computer-readable storage medium and communication media as an example.Computer-readable storage medium comprise volatibility with non-volatile, movably and removable medium with any method or technology implementation, is not used for storage such as information such as computer-readable instruction, data structure, program module or other data.Computer-readable storage medium comprises; But be not limited to; RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital multi-purpose disk (DVD) or other optical disc memory, magnetic tape cassette, tape, magnetic disk memory or other magnetic memory apparatus, or other anyly can be used for storing desired data and can be by the medium of computer access.
Communication media typically comprises computer-readable instruction, data structure, program module or such as other data in the modulated data signal of carrier wave or other transporting mechanism, and comprises any information release medium.The mode that term " modulated data signal " refers to contain useful coding information wherein is provided with or changes the signal of one or more characteristics of signal.As way of illustration but not limitation, communication media comprises such as the cable network or the direct wire medium of wired connection, and such as the wireless medium of sound wave, radio frequency, infrared ray etc.Above-mentioned combination arbitrarily is also included within the scope of computer-readable media.
Refer again to Figure 10, the exemplary environment 1000 of the many aspects that are used to carry out an invention comprises computing machine 1002.Computing machine 1002 comprises processing unit 1004, system storage 1006 and system bus 1008.System bus 1008 is connected to system unit, includes, without being limited to, and system storage 1006 is to handling unit 1004.Processing unit 1004 can be any different commercially available processor.Dual micro processor or other multi-processor structure also can be used as processing unit 1004.
These drivers and relevant computer-readable medium thereof provide the non-volatile memories of data, data structure, computer executable instructions etc.For computing machine 1002, driver and medium provide the storage of suitable digital format to any data.Although above about the description of computer-readable medium refer to HDD, moveable magnetic disc, such as the removable smooth medium of CD or DVD; It will be appreciated by those skilled in the art that; Other type such as Zip drive, magnetic tape cassette, flash card, chuck etc. similarly computer-readable medium can be used to exemplary operating environment; And further, any this type of medium can comprise computer executable instructions and carry out method of the present invention.
Many program modules can be stored in driver and RAM1012, comprise operating system 1030, one or more application program 1032, other program module 1034 and routine data 1036.All or part of, the application program of operating system, module, and/or data can be cached in RAM1012 equally.Be appreciated that the present invention can implement through the multiple commercially available operating system or the combination of operating system.
The user can be through one or more wire/wireless input media such as keyboard 1038 and such as the indicator device of mouse 1040 to computing machine 1002 input commands and information.Other input media (not shown) can comprise microphone, IR telepilot, joystick, recreation executor, input pen, touch-screen etc.These usually are connected to processing unit 1004 through the input media interface 1042 that is connected on the system bus 1008 with other input media, but can connect through other interface, like parallel port, IEEE1094 serial ports, game port, USB mouth, IR interface etc.
The display device of monitor 1044 or other type also is connected to system bus 1008 through the interface such as display adapter 1046.Except monitor 1044, computing machine typically comprises other peripheral output device (not shown), like loudspeaker, printer etc.
The network environment of this LAN and WAN is common in office and company, and is suitable for the computer network such as the Intranet of enterprise-wide, and all can be connected to global communication network, like the internet.
When in the lan network environment, using, computing machine 1002 is connected to local network 1052 through wired and/or wireless communication networks interface or adapter 1056.Adapter 1056 can be easily and the communication of wired or wireless ground of LAN1052, the radio access point and wireless adapter 1056 communications that are disclosed above LAN1052 can comprise equally.
When in the WAN network environment, using, computing machine 1002 can comprise modulator-demodular unit 1058, or is connected to the communication server on the WAN1054, or other method is arranged as through the internet, sets up the communication via WAN1054.Modulator-demodular unit 1058 can be inner or outside, wireless or wired device, is connected to system bus 1008 through serial line interface 1042.In network environment, the program module about computing machine 1002 of description, or part wherein can be stored in long-distance inner/storage arrangement 1050.Can recognize that it is exemplary that the network that illustrates connects, and can use other between computing machine, to set up the method that communication connects here.
Wi-Fi, or Wireless Fidelity allow the bench from family, the bed in hotel or the meeting room of workplace etc. to be wirelessly connected to the internet.Wi-Fi is a kind of wireless technology that is used in the cell phone that is similar to, and its makes transmitting and receive data Anywhere of the indoor or outdoors of device in the scope of base station covering such as computing machine for example.The radiotelegraphy that the Wi-Fi network utilisation is called as IEEE802.11 (a, b, g etc.) provides safe, reliable, fast wireless is connective.The Wi-Fi network can be used for that computing machine is interconnected, be linked to internet and cable network (using IEEE802.3 or Ethernet).The Wi-Fi network operation for example unauthorized 2.4 with the 5GHz radio wave band; With 11Mbps (802.11a) or 54Mbps (802.11b) data rate; Or with the product that comprises two kinds of wave bands (two waveband), so network can provide the real performance of the basic wired ethernet of the 10BaseT that similar many offices use.
Referring now to Figure 11,, but the exemplary block diagram of computing machine operating environment that shows the communication between node that enforcement discloses and upgrade the system and method for control and configuration information.System 1100 comprises one or more client computer 1102.Client computer 1102 can be hardware and/or software (for example, thread, process, calculation element).Client's 1102 machines for example can be through adopting the present invention, collection cookie (cookies) and/or related context information.
Communication can become more convenient through wired (comprising optical fiber) and/or wireless technology.Client computer 1102 is operably connected to one or more customer data storages 1108, and customer data storage 1108 can be used for the local information (for example, cookie (cookies) and/or related context information) of storage client 1102.Similarly, server 1104 is operably connected to one or more server data stores 1110, and server data stores 1110 can be used for the local information of storage server 1104.
Top description comprises example of the present invention.Certainly, can not describe each possible parts or Manipulative combination in order to describe the theme invention, but one of ordinary skill in the art will appreciate that many combination and changes further of the present invention are possible.Therefore the present invention wants to comprise similar replacement, modification and the variation of all spirit that fall into accompanying claims and scope.
Claims (7)
1. controller, through the automation equipment communication in network and the industrial control system, this controller comprises:
Be used to shine upon the data structure of each I/O element of said automation equipment, said data structure comprises data field and corresponding title-domain; And
Updating component; At least in part according to the information that from least one machine readable representation of said automation equipment, reads, with grade labelling dynamic organization title-domain, wherein; Said grade labelling comprises that the device name of representing said automation equipment title and expression are mapped to the element term of data element of the automation equipment of corresponding data field; And said updating component is used the information dynamic organization data territory from least one machine readable representation
Wherein, said data structure comprises the current configuration information that said automation equipment carries out said grade labelling, and said updating component is upgraded the automation equipment of being replaced with present configuration information.
2. controller according to claim 1 is characterized in that, said at least one machine readable representation is at least one in device class manager (DTM), electronic data page or leaf (EDS) and the device profile.
3. controller according to claim 1 is characterized in that said device name and element term are by updating component dynamic organization.
4. controller according to claim 1 is characterized in that, the information that is used for the dynamic organization data territory from least one machine readable representation represented automation equipment that have with the data real-time I/O exchange of controller.
5. the maneuver carried out of a computing machine, automatically generating is according to structure in the controller of industrial control system, and this maneuver comprises:
Reception information from least one machine readable representation of automation equipment;
Create data structure, with each I/O data element mappings of automation equipment each data field in the said data structure, wherein, said data structure comprises the corresponding title-domain that is used for each data field;
Device name is confirmed in input according at least one data that receive and user;
Data specified data domain name according to receiving is claimed; And
Use based on the grade labelling of device name and data field title each title-domain of data structure dynamically made label,
Wherein, said data structure comprises the current configuration information that said automation equipment carries out said grade labelling, and said maneuver also comprises with present configuration information upgrades the automation equipment of being replaced;
Wherein, said maneuver also comprises:
The size of confirming the device configuration is greater than threshold value; And
Between end points, initiate segmentation protocol, this agreement comprises:
Through the network in the industrial control system, send to second end points from first end points that comprises the device configuration with opening connection request;
Through being less than or equal to the message size of threshold value,
The device configuration is divided into a plurality of message frames that are less than or equal to message size; And
Dispose at the second end points receiving trap.
6. maneuver as claimed in claim 5 is characterized in that, said first end points is the originator that connects, and said second end points is an automation equipment.
7. maneuver as claimed in claim 5 is characterized in that, said threshold value is at least in part based on the data field restriction and byte size poor of opening connection request.
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| DE102005034944B3 (en) * | 2005-07-22 | 2006-11-09 | Siemens Ag | Field bus system e.g. LIN bus system, configuration method for use in e.g. motor vehicle, involves checking whether bus subscriber still has standard address, and identifying subscriber and assigning clear subscriber address to subscriber |
| JP4961889B2 (en) * | 2006-08-10 | 2012-06-27 | 横河電機株式会社 | Parameter setting device |
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